	function keyword($field, $value)
	{
		$r = $this->db->get_one("SELECT `$field` FROM `".DB_PRE."movie` WHERE `movieid`=$this->movieid");
		$value = $r[$field];
		//$this->db->query("DELETE FROM `".DB_PRE."movie_tag` WHERE `movieid`=$this->movieid");
		$keywords = explode(',', $value);
		foreach($keywords as $tag)
		{
			$tag = addslashes(trim($tag));
			//if($tag) $this->db->query("INSERT INTO `".DB_PRE."movie_tag` (`tag`,`movieid`) VALUES('$tag','$this->movieid')");
		}
        if(function_exists('cache_keyword')) cache_keyword();
		return true;
	}
